三峡库区新构造运动与滑坡耦合关系探讨

长江三峡工程库区滑坡众多，据调查，大于100万m^3以上的滑坡干支流共计320处(其中干流136处)，滑坡的年代学研究表明，其活动主要集中在中、晚更新世(几万年至30万年)，而此时也正是三峡地区新构造运动比较强烈的时期。滑坡分布高程研究、滑带物质测年资料、滑坡与河流阶地的关系等，都表明三峡地区新构造运动的强弱与滑坡活动的成生具有紧密的联系，两者具有较好的耦合关系。

Discussion on coupling relation of new tectonic movement and landslide in the Three Gorges reservoir area

There exist lots of landslides in the reservoir area of the Three Gorges Project, with 320 landslides having a volume of more than 1 million m~3 in the main stream and its tributaries(136 landslides in the main stream). Investigation of chronology of landslides shows that the activities of landslides occurred mainly in middle and late Pleistocene when the new tectonic movements in the Three Gorges area were quite intense. Investigations of landslide elevation distribution, data on age dating of landslide materials, relations between landslides and river terraces, etc. show that the intensity of the new tectonic movements in the Three Gorges area relates closely to the landslide formation, and there exists a good coupling relation between them.